2.18.2.1 Torque Requirements
T = K Fi d = torque, in ft-lb
Fi = .25Fp (reused connections)
Fi=.0Fp (Permanent Connections)
K = torque coefficient
d = bolt diameter, in inches
Torque is has units of "in-lb" if d is plugged to the equation in terms of inches, not ft-lb.
Be sure to convert...